DominionEnterprises\Mongo\QueueTest::ensureCountIndexWithPrefixOfPrevious PHP Method

    public function ensureCountIndexWithPrefixOfPrevious()
    {
        $this->queue->ensureCountIndex(['type' => 1, 'boo' => -1], false);
        $this->queue->ensureCountIndex(['type' => 1], false);
        $indexes = iterator_to_array($this->collection->listIndexes());
        $this->assertSame(2, count($indexes));
        $expected = ['payload.type' => 1, 'payload.boo' => -1];
        $this->assertSame($expected, $indexes[1]['key']);
    }